Best Cybersecurity Companies in San Diego, United States

10 verified cybersecurity companies in San Diego, California, United States

$4.45M
Avg. Breach Cost
$190B globally
Market Size (2025)
2,200+ (avg)
Attacks Per Day
3.5M unfilled jobs
Skills Gap

Top Cybersecurity Companies in San Diego

10 companies
#1Agile IT

Agile IT

4.0(0)San Diego, California, US

We Make IT Easy

CybersecurityManaged IT Services·1-9 emp. · From <$1000 · Est. 2006
#2Pointivity Managed Solutions

Pointivity Managed Solutions

4.0(0)San Diego, California, US

Cloud Smart. Business Smart.

CybersecurityManaged IT ServicesIT Staff Augmentation·<$25 · 1-9 emp. · From <$1000 · Est. 2001
#3Fusion Factor Corporation

Fusion Factor Corporation

4.0(0)San Diego, California, US

Fusion Factor Corporation

CybersecurityManaged IT Services·1-9 emp.
#4Sentek Global

Sentek Global

4.0(0)San Diego, California, US

San Diego Technical Services Provider

CybersecurityManaged IT Services·<$25 · 1-9 emp. · From <$1000 · Est. 2001
#5Security On-Demand

Security On-Demand

4.0(0)San Diego, California, US

San Diego Managed Security Services Provider

CybersecurityManaged IT Services·<$25 · 1-9 emp. · From <$1000 · Est. 2001
#6Wendego I.T. Solutions

Wendego I.T. Solutions

4.0(0)San Diego, California, US

Your trusted advisor for all things IT

CybersecurityManaged IT Services·<$25 · 1-9 emp. · From <$1000 · Est. 2006
#7Xceptional

Xceptional

4.0(0)San Diego, California, US

Embrace the Xceptional Experience Today!

CybersecurityManaged IT Services·1-9 emp. · Est. 2007
#8OpAnalytx LLC

OpAnalytx LLC

4.0(0)San Diego, California, US

California IT Company

Cybersecurity·1-9 emp. · Est. 2018
#9AMA Networks

AMA Networks

4.0(0)San Diego, California, US

The Best In Managed IT Support And Services

CybersecurityManaged IT Services·1-9 emp. · From <$1000 · Est. 2008
#10Achieve Internet

Achieve Internet

4.0(0)San Diego, California, US

Digital Transformation Experts

CybersecuritySoftware DevelopmentMobile App Development·<$25 · 1-9 emp. · From <$1000 · Est. 2002

What Do Cybersecurity Companies Do?

Cybersecurity companies provide a range of services to protect organizations from digital threats. This includes Managed Security Service Providers (MSSPs) offering 24/7 SOC monitoring, penetration testing firms that simulate real-world attacks, vulnerability assessment teams that identify weaknesses, and incident response specialists who contain and remediate breaches. Many also offer compliance consulting for frameworks like SOC 2, HIPAA, PCI-DSS, and GDPR.

How to Choose a Cybersecurity Company in San Diego

1

Certifications

Look for CISSP, CISM, CEH certified professionals and SOC 2 Type II audited operations.

2

Industry Focus

Healthcare needs HIPAA expertise; finance needs PCI-DSS. Choose specialists in your vertical.

3

Detection & Response

Evaluate mean time to detect (MTTD) and mean time to respond (MTTR) — top firms achieve <1 hour.

4

Scope of Services

Ensure coverage for endpoints, cloud, network, email, and identity — gaps create vulnerabilities.

FAQ: Cybersecurity in San Diego

How much does cybersecurity cost for a small business?▼

Small businesses (10-100 employees) typically spend $1,000-$5,000/month on managed cybersecurity. This includes endpoint protection, email security, firewall management, and basic SOC monitoring. Penetration tests cost $5,000-$30,000 per engagement.

What is the difference between MSSP and MDR?▼

MSSP (Managed Security Service Provider) offers broad security monitoring and management. MDR (Managed Detection and Response) focuses specifically on threat detection, investigation, and active response. MDR is more hands-on and typically includes threat hunting.

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